Real 문서

문법

RealSignal.Once(signal: RealSignal, callback: (....any) -> ()): RealSignalConnection

인수

이름	타입	설명
`signal`	`RealSignal`	Signal object returned by Signal.new.
`callback`	`(....any) -> ()`	Function called at most once for this connection.

반환값

이름	타입	설명
`connection`	`RealSignalConnection`	Connection object with Disconnect.

설명

Connects a callback that is disconnected before its first callback invocation. The callback receives the arguments passed to Fire.

2개 파라미터로 호출합니다: signal, callback. 인수 표는 필수 값과 동작을 조정하는 값을 설명합니다.

connection (RealSignalConnection)을 반환합니다. 반환 표를 사용해 성공 값, nil 결과, 복구 가능한 오류를 구분하세요.

예제

Connect a callback that runs at most once.

local signal = Signal.new()

signal:Once(function(value)
    print(value)
end)

signal:Fire("first")
signal:Fire("second")

타입

RealSignal

Signal object returned by Signal.new.

Connect (callback: (...any) -> ()) -> RealSignalConnection Adds a callback that runs when Fire is called.Once (callback: (...any) -> ()) -> RealSignalConnection Adds a callback that is disconnected before its first callback invocation.Wait () -> ...any Yields until Fire resumes the waiter with the fired values.Fire (...values: any) -> () Runs connected callbacks and resumes waiters with the provided values.

RealSignalConnection

Connection object returned by RealSignal.Connect and RealSignal.Once.

Disconnect () -> () Disconnects the connection.